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  • COMPUTATIONAL APPROACH TO DESIGN THE HIGH-SPEED

    2017-4-4 · Abstract: The high-speed dental air-turbine handpieces are widely used in the dentistry as a tool for cutting and drilling a tooth. The advanced existing high-speed dental air-turbine handpieces were investigated to design the high performance dental air-turbine handpiece. The coupler and air-turbine of the dental air-turbine handpiece

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  • AccessGUDID - DEVICE: Dental High-speed Turbine

    AccessGUDID - Dental High-speed Turbine Handpiece (06971119540012)- The Dental High-speed Turbine Handpiece is the dental clinic, hospital treatment for patients with tooth disease tools, which is an effective instrument for drilling, grinding, repairing. It composed of handpiece and a connector. The handle is slide-proof, comfortable and easy to clean.

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  • Characterizing the performance of dental air-turbine ...

    2008-1-1 · The dental air-turbine handpiece rapidly gained widespread acceptance by the dental profession after its introduction in the late 1950s and it continues to be used as the main means of carrying out cutting work in clinical dental practice, whether of tooth tissue or restorative materials.

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  • Turbine dental handpiece | definition of turbine dental ...

    A dental handpiece that operates at speeds about 100,000 to 800,000 rpm. The high-speed or ultra-speed handpiece operates with a water spray and may have a fiber-optic light to facilitate better visibility. A water spray is necessary to reduce the temperature within the handpiece and surgical site. Synonym: turbine dental handpiece.

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  • Handpieces: An Overview of the Options - AEGIS Dental

    2020-7-24 · There are two systems for powering dental burs: air-powered and electrical powered. In the air system, a distinction is made between a turbine and an air motor. With turbines, the bur is directly driven by a rotor. The rotor has an impeller powered by compressed air. Turbines can reach an idle speed of up to 300,000rpm.

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  • HIGH-SPEED HANDPIECE: 2020 ESSENTIAL BUYER`S

    A dental handpiece that operates at speeds about 100,000 to 800,000 rpm. The high-speed or ultra-speed handpiece operates with a water spray and may have a fiber-optic light to facilitate better visibility. A water spray is necessary to reduce the temperature within the handpiece and surgical site. Synonym: turbine dental handpiece.

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  • High-speed dental handpiece | definition of high-speed ...

    torque and cutting power. How Long Will a Handpiece Turbine Last? • The average life span of a handpiece turbine ranges from six to twelve months, depending on the level of use and maintenance procedures. The most common cause of premature failures is infield conditions. Top 3 Mistakes 1. Use of disinfectants to clean or wipe off handpieces 2.

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  • Johnson-Promident University High ... - Noble Dental Supplies

    An air-turbine type dental handpiece in which the handle has separate passages for air and water under pressure respectively to drive the turbine to rotate a bur and furnish cooling water to the bur which has an axial passage entirely therethrough to direct the cooling water where the cutting end of the bur contacts tooth material for producing a dental preparation to receive filling material ...

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  • dental turbine - English definition, grammar ...

    2021-5-13 · The upper left of the figure shows an actual power turbine. The turbine, like the compressor, is composed of several rows of airfoil cascades. Some of the rows, called rotors, are connected to the central shaft and rotate at high speed. Other rows, called stators, are fixed and do not rotate. The job of the stators is to keep the flow from ...

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  • TwinPower Turbine UltraE 165357500 High Speed

    With up to 20 watts of power, these handpieces are twice as powerful as other popular mini-head handpieces. The compact head design creates exceptional posterior access. TwinPower Turbine ® UltraM Offers 18 watts of cutting power and an extremely small head (10.6mm high) for exceptional posterior access. Accepts short-shank burs only.

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  • TwinPower Turbine | MORITA

    The hallmarks of the TwinPower Turbine is its innovative and unique double impeller which provides high-power in a small package. All TwinPower turbines come standard with Zero-Drawback technology which prevents aerosol intake and sets a new standard in infection control.

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  • Characterizing the performance of dental air-turbine ...

    2008-1-1 · The first air-powered dental engine design was patented in 1868 1 although in fact this was not a turbine but effectively a lobe pump operated in reverse. It was intended to be operated by mouth, foot bellows, or a compressed air vessel. The first true turbine dental handpiece, with a 13-bladed rotor, was patented in 1874, 2 with similar ...

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  • Performance and Internal Flow of a Dental Air Turbine ...

    An air turbine handpiece is a dental abrasive device that rotates at high speed and uses compressed air as the driving force. It is characterized by its small size, light weight, and painless abrading due to its high-speed rotation, but its torque is small and noise level is high. Thus, to improve the performance of the air turbine handpiece, we conducted a performance test of an actual ...

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  • High Volume Evacuator (HVE) in reducing aerosol- an ...

    2018-4-6 · Title: High Volume Evacuator (HVE) in reducing aerosol- an exploration worth by clinicians Author: Avijit Avasthi Subject: Dentists and dental hygienists deploying air-turbine hand pieces during cavity cutting, ultrasonic scalers and high-speed hand pieces get themselves exposed to air-borne contaminants like aerosols and splatter.

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  • Dynamic Perfection Dental Handpiece Turbine Cartridges

    Dynamic Perfection Ceramic Turbine Cartridge - HBA835-09824. Dealer Price: (Members Only) Bien Air Black Pearl Push Button Turbine Cartridge 3-Piece ValuPak. Turbine ValuPak - VP835-09S-3. Dealer Price: (Members Only) Bien Air Bora Push Button Turbine Cartridge …

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  • Dental Highspeed Handpieces - Midmark

    2009-6-1 · A high-power laser is used to melt polymer or metal powder, layer by layer, to produce custom aerospace turbine components (top) and even dental implants (bottom) directly from CAD models.' data-embed-credit='(Courtesy of 3T RPD)' ]}%

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  • Turbo Compressor ~ Celeroton AG - Ultra-high-speed ...

    Gas turbine working parts. High-pressure turbine. The high-pressure turbine is helpful in increasing product of combustions. As we have already known the turbine and compressor are mounted on the same shaft. The high-pressure turbines are responsible for running the compressor. About 66% of power is used for powering up the compressor alone.

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  • HP Turbine - High-pressure Steam Turbine | nuclear

    A dental handpiece that operates at speeds about 100,000 to 800,000 rpm. The high-speed or ultra-speed handpiece operates with a water spray and may have a fiber-optic light to facilitate better visibility. A water spray is necessary to reduce the temperature within the handpiece and surgical site. Synonym: turbine dental handpiece.

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  • High-speed dental handpiece | definition of high-speed ...

    2021-4-7 · shaft gas turbine is shown in Figure 3. The low-pressure or power turbine rotor is mechani-cally separate from the high-pressure turbine and compressor rotor. The low pressure rotor is said to be aerodynamically coupled. This unique feature allows the power turbine to be operated at a range of speeds and makes two-

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  • GER-3567H - GE Gas Turbine Performance Characteristics

    2016-8-31 · Visit www.cagi.org for the most up-to-date listing of members. ... air or pneumatic devices are therefore characterized by a high power-to-weight or power-to-volume ratio. ... a small air turbine to turn a shaft, as in a dental drill; or it can be expanded through a nozzle to produce a high-speed jet, as in a

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  • Air Compressor - CAGI

    2021-5-12 · Power supply MWD turbine power MWD turbine power Downhole memory Capacity, GB Recording time, standard definition, h Recording time, high definition (100 rpm), h 1.5 700 300 1.5 700 300 Combinability Fully combinable with all Schlumberger tools Fully combinable with all Schlumberger tools Mechanical Specifications Dogleg severity Rotary mode ...

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  • Steam Turbines for Thermal Power Plants (Up to 250 MW)

    2021-3-29 · Dental drill: is a small, high-speed drill used during dental procedures, usually to remove decay and shape tooth structure prior to the insertion of a filling or crown.Also know as a dental handpiece. Primitive dental drills were used in the 18th and early 19th centuries. In 1868, American dentist George F. Green added power to the drill with a pneumatic version run by a …

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  • MicroScope HD Resistivity and High-Definition Imaging ...

    2021-6-29 · Eine Turbine (engl. dental turbine) ist in der Zahnmedizin ein abgewinkeltes Präparationsinstrument, mit dem der Zahnarzt oral arbeitet. Es dient zum Bohren und Schleifen an menschlichen Zähnen und wird mit genormten Anschlüssen an eine Dentaleinheit angeschlossen. Eine Turbine kann zur konservierenden und zur prothetischen Behandlung eingesetzt werden.

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  • SMARTtorque™ Series Affordable, High Power ... - KaVo

    2 天前 · Affordable, High Power, Precision-Balanced Turbine. KaVo Smart series air-driven handpieces feature a high power, precision-balanced turbine for optimum balance and virtually vibration-free operation. The Smart series air-driven dental handpieces provide reliable performance during crown and bridge preparations.

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  • TwinPower Turbine | MORITA

    The latest advances in fluid dynamics eliminate the highly uncomfortable noise generated by high speed turbines that operate in the 6 to 7 kHz range. As a result, preparation work with the turbine is quieter and more agreeable for both the dental practice team as well as the patient.

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  • Torque, power and efficiency characterization of dental ...

    Torque, power and efficiency characterization of dental air turbine handpieces. Dyson JE (1), Darvell BW. OBJECTIVES: In a previous paper the flow and free running speed characteristics of dental air turbine handpieces were discussed. The present work was to continue the analysis and characterization of these handpieces by addressing the issues ...

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  • TwinPower Turbine Series High Speed Handpieces from J ...

    2021-4-7 · LM2500+ High Speed Power Turbine (HSPT) feature a cantilever-supported rotor. The power turbine is attached to the gas generator by a transition duct that also serves to direct the exhaust gases from the gas generator into the stage one turbine nozzles. Output power is transmitted to the load by means of a coupling adapter on the aft end of the ...

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  • GER-3695E - GE Aeroderivative Gas Turbines: Design and ...

    2016-8-31 · Visit www.cagi.org for the most up-to-date listing of members. ... air or pneumatic devices are therefore characterized by a high power-to-weight or power-to-volume ratio. ... a small air turbine to turn a shaft, as in a dental drill; or it can be expanded through a nozzle to produce a high-speed jet, as in a

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  • Air Compressor - CAGI

    Turbine definition is - a rotary engine actuated by the reaction or impulse or both of a current of fluid (such as water, steam, or air) subject to pressure and usually made with a series of curved vanes on a central rotating spindle. Did you know?

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  • Turbine | Definition of Turbine by Merriam-Webster

    2021-7-23 · Rated Power Output--Used by wind generator manufacturers to provide a baseline for measuring performance. Rated output may vary by manufacturer. For example, one manufacturer's 1500 watt turbine may produce that amount of power at a 30 mph windspeed, while another brand of 1500 watt turbine may not make 1500 Watts until it gets a 40 mph windspeed!

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  • Turbine Function | Turbine Function of Thermal Power Plant ...

    2021-7-21 · Turbine definition: A turbine is a machine or engine which uses a stream of air, gas , water, or steam to... | Meaning, pronunciation, translations and examples

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  • TwinPower Turbine Basic - Darby Dental Supply, LLC

    2021-7-1 · TwinPower Turbine Basic. Select your item: 955-1924 4H PAR-4HEX-B (4-Hole), 16-5360838. Manufacturer: J. Morita. Catalog Page: 385. The TwinPower Turbine Basic offers the same cutting efficiency as the TwinPower Turbine standard head. Its doiuble-impellor rotor design produces up to 22 watts of power. A pressurized air system prevents suck back ...

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  • 6. Power Generation Technologies - US EPA

    2021-6-25 · A steam turbine is a thermodynamic device that converts the energy in high-pressure, high-temperature steam into shaft power that can in turn be used to turn a generator and produce electric power. Unlike gas turbine and reciprocating engine CHP systems where heat is a byproduct of power

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  • Micro Turbine - an overview | ScienceDirect Topics

    2.2.1.2 Micro-turbines. An MT is a mechanism that uses the flow of a gas to convert thermal energy into mechanical energy. The technology used in the MT is derived from diesel engine turbochargers, aircraft auxiliary power systems, and automotive designs. MTs consist of a compressor, combustor, turbine, and generator, as shown in Fig. 2.3 [6].

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  • Dental LED High Speed Handpiece Self-powered Air

    LED handpiece Self-powered. Air turbine triple water spray. Fit high speed diamond burs. Spraytriple water spray. MPNDoes Not Apply.

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  • 1.1 Hydropower tunnels, penstocks and surge chambers -

    Hydropower tunnels, penstocks and surge chambers. To give the future hydropower system the flexibility and behavior required to serve the demand from market, grid, bilateral power cables, new industry, new materials and advances in turbine and generator design, tunnel systems and penstocks must be designed different from the state of the art ...

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  • Low-Pressure Turbine - an overview | ScienceDirect Topics

    Example 4.1. A low pressure turbine within a turbofan jet engine consists of five repeating stages. The turbine inlet stagnation temperature is 1200 K and the inlet stagnation pressure is 213 kPa. It operates with a mass flow of 15 kg s −1 and generates 6.64 MW of mechanical power.

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  • Pelton Wheel Turbine: Definition, Parts, Working Principle ...

    2021-7-23 · Pelton Wheel Turbine Definition: Pelton Wheel Turbine is the type of impulse or hydraulic turbine which is used for high heads for the generation of power. In this, the jet after leaving the nozzle runs in the open air and strikes the bucket or vane. The Pelton wheel turbine is developed by Lester Allan Pelton, who is an American Engineer.

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  • Steam Turbine Rotor Vibration Failures: Causes and Solutions

    2001-3-1 · Negotiating Availability Guarantees for Gas Turbine Plants. By. -. 3.1.2001. By Michael A. S. Guth, Risk Management Consulting. The value of gas turbine …

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